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Finding the Fourth Proportional to 54,945, 75,768.48 and 44,840.88

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Solution

The fourth proportional to 54,945, 75,768.48 and 44,840.88 is: 61,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945 : 75,768.48 = 44,840.88 : x
  2. Step 2: Convert to fraction form
    54,945/75,768.48 = 44,840.88/x
  3. Step 3: Cross multiply
    54,945x = 75,768.48 × 44,840.88
  4. Step 4: Simplify right side
    54,945x = 3,397,525,319.46
  5. Step 5: Solve for x
    x = 3,397,525,319.46/54,945
  6. Step 6: Final answer
    x = 61,835.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.